> One of my clients is reporting the following error:
>
> Der Prozedureinsprungpunkt "fb_interpret" wurde in der DLL
> "fbclient.dll" nicht gefunden.
>
> Free translation:
> The procedure/entry point "fb_interpret" was not found in the DLL
> "fbclient.dll"
>
> My application is Python based and uses kinterbasdb (either 3.2 or 3.3 -
> do not yet know which is in use at that particular client) and FB 2.0
> (2.0.0.12748).

Consider upgrade to at least 2.0.5

> Googling I found that FB 2.0.5 does not longer have this entry point.

No, it is not true.

> I am correct in the assumption that the error is caused by a version
> incompatibility?

Yes

> Would appreciate confirmation or clarification.

It seems your client used fbclient version 1.5.x

Regards,
Vlad